Home / 70,537,069.60-105,674,967.60-40,154,682.40

Finding the Fourth Proportional to 70,537,069.60, 105,674,967.60 and 40,154,682.40

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Solution

The fourth proportional to 70,537,069.60, 105,674,967.60 and 40,154,682.40 is: 60,157,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,537,069.60 : 105,674,967.60 = 40,154,682.40 : x
  2. Step 2: Convert to fraction form
    70,537,069.60/105,674,967.60 = 40,154,682.40/x
  3. Step 3: Cross multiply
    70,537,069.60x = 105,674,967.60 × 40,154,682.40
  4. Step 4: Simplify right side
    70,537,069.60x = 4,243,344,761,608,290
  5. Step 5: Solve for x
    x = 4,243,344,761,608,290/70,537,069.60
  6. Step 6: Final answer
    x = 60,157,655.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.